Worldwide sales of Wi-Fi equipment shot up 120 per cent to $1.78 billion last year. An industry analyst estimates that sales will grow to $5.21 billion by 2005. While many people will experience wireless networking at home or at the office, someone will have to implement and maintain these systems. This book is for that person. In addition, the promise of "Internet everywhere" has become ubiquitous. Before that can really happen, the world needs knowledgeable people to build and support reliable infrastructures. Just how the Internet gets "everywhere" is what this book is all about. Consumers of the growing wireless market need to know as much about wireless as they did their PC hardware and software. This is the resource for them.